Find the axis of symmetry and vertex of y = ax² + bx + c

Question 1

A company's daily cost (in hundreds) is C = 2n² − 12n + 48, where n is hundreds of items made. What is the minimum cost (in hundreds)?

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Question 2

Find the axis of symmetry of y = −x² − 6x − 2. Give the value of x.

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Question 3

Find the vertex of y = 2x² + 12x + 21. Type it like (2, −1).

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Question 4

A drone's height (m) after t seconds is h = −t² + 12t − 23. What is its maximum height?

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Question 5

Find the axis of symmetry of y = 2x² + 20x + 59. Give the value of x.

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Question 6

Find the vertex of y = 2x² − 12x + 10. Type it like (2, −1).

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Question 7

A company's daily cost (in hundreds) is C = n² − 2n + 7, where n is hundreds of items made. What is the minimum cost (in hundreds)?

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Question 8

Find the axis of symmetry of y = 2x² + 12x + 10. Give the value of x.

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Question 9

Find the vertex of y = 2x² − 16x + 31. Type it like (2, −1).

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Question 10

A drone's height (m) after t seconds is h = −2t² + 20t − 18. What is its maximum height?

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Question 11

Find the axis of symmetry of y = 3x² + 24x + 57. Give the value of x.

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Question 12

Find the vertex of y = −x² + 6x − 18. Type it like (2, −1).

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Question 13

A drone's height (m) after t seconds is h = −5t² + 60t − 169. What is its maximum height?

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Question 14

Find the axis of symmetry of y = x² − 4x + 7. Give the value of x.

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Question 15

Find the vertex of y = 3x² − 6x − 4. Type it like (2, −1).

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Question 16

A company's daily cost (in hundreds) is C = 2n² − 16n + 55, where n is hundreds of items made. What is the minimum cost (in hundreds)?

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